|
This diff has been collapsed as it changes many lines, (503 lines changed)
Show them
Hide them
|
|
|
@@
-1,453
+1,466
|
|
|
1
|
#include "qchart.h"
|
|
1
|
#include "qchart.h"
|
|
|
2
|
#include "qchartaxis.h"
|
|
2
|
#include "qchart_p.h"
|
|
|
3
|
#include "qlegend.h"
|
|
|
|
|
|
4
|
#include "chartpresenter_p.h"
|
|
|
|
|
|
5
|
#include "chartdataset_p.h"
|
|
|
|
|
|
6
|
#include "chartbackground_p.h"
|
|
|
|
|
|
7
|
#include <QGraphicsScene>
|
|
3
|
#include <QGraphicsScene>
|
|
|
8
|
#include <QGraphicsSceneResizeEvent>
|
|
4
|
#include <QGraphicsSceneResizeEvent>
|
|
|
9
|
|
|
5
|
|
|
|
10
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
6
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
11
|
|
|
7
|
|
|
|
12
|
/*!
|
|
8
|
/*!
|
|
|
13
|
\enum QChart::ChartTheme
|
|
9
|
\enum QChart::ChartTheme
|
|
|
14
|
|
|
10
|
|
|
|
15
|
This enum describes the theme used by the chart.
|
|
11
|
This enum describes the theme used by the chart.
|
|
|
16
|
|
|
12
|
|
|
|
17
|
\value ChartThemeDefault Follows the GUI style of the Operating System
|
|
13
|
\value ChartThemeDefault Follows the GUI style of the Operating System
|
|
|
18
|
\value ChartThemeLight
|
|
14
|
\value ChartThemeLight
|
|
|
19
|
\value ChartThemeBlueCerulean
|
|
15
|
\value ChartThemeBlueCerulean
|
|
|
20
|
\value ChartThemeDark
|
|
16
|
\value ChartThemeDark
|
|
|
21
|
\value ChartThemeBrownSand
|
|
17
|
\value ChartThemeBrownSand
|
|
|
22
|
\value ChartThemeBlueNcs
|
|
18
|
\value ChartThemeBlueNcs
|
|
|
23
|
\value ChartThemeIcy
|
|
19
|
\value ChartThemeIcy
|
|
|
24
|
\value ChartThemeScientific
|
|
20
|
\value ChartThemeScientific
|
|
|
25
|
\value ChartThemeCount Not really a theme; the total count of themes.
|
|
21
|
\value ChartThemeCount Not really a theme; the total count of themes.
|
|
|
26
|
*/
|
|
22
|
*/
|
|
|
27
|
|
|
23
|
|
|
|
28
|
/*!
|
|
24
|
/*!
|
|
|
29
|
\enum QChart::AnimationOption
|
|
25
|
\enum QChart::AnimationOption
|
|
|
30
|
|
|
26
|
|
|
|
31
|
For enabling/disabling animations. Defaults to NoAnimation.
|
|
27
|
For enabling/disabling animations. Defaults to NoAnimation.
|
|
|
32
|
|
|
28
|
|
|
|
33
|
\value NoAnimation
|
|
29
|
\value NoAnimation
|
|
|
34
|
\value GridAxisAnimations
|
|
30
|
\value GridAxisAnimations
|
|
|
35
|
\value SeriesAnimations
|
|
31
|
\value SeriesAnimations
|
|
|
36
|
\value AllAnimations
|
|
32
|
\value AllAnimations
|
|
|
37
|
*/
|
|
33
|
*/
|
|
|
38
|
|
|
34
|
|
|
|
39
|
/*!
|
|
35
|
/*!
|
|
|
40
|
\class QChart
|
|
36
|
\class QChart
|
|
|
41
|
\brief QtCommercial chart API.
|
|
37
|
\brief QtCommercial chart API.
|
|
|
42
|
|
|
38
|
|
|
|
43
|
QChart is a QGraphicsWidget that you can show in a QGraphicsScene. It manages the graphical
|
|
39
|
QChart is a QGraphicsWidget that you can show in a QGraphicsScene. It manages the graphical
|
|
|
44
|
representation of different types of QChartSeries and other chart related objects like
|
|
40
|
representation of different types of QChartSeries and other chart related objects like
|
|
|
45
|
QChartAxis and QChartLegend. If you simply want to show a chart in a layout, you can use the
|
|
41
|
QChartAxis and QChartLegend. If you simply want to show a chart in a layout, you can use the
|
|
|
46
|
convenience class QChartView instead of QChart.
|
|
42
|
convenience class QChartView instead of QChart.
|
|
|
47
|
\sa QChartView
|
|
43
|
\sa QChartView
|
|
|
48
|
*/
|
|
44
|
*/
|
|
|
49
|
|
|
45
|
|
|
|
50
|
/*!
|
|
46
|
/*!
|
|
|
51
|
Constructs a chart object which is a child of a\a parent. Parameter \a wFlags is passed to the QGraphicsWidget constructor.
|
|
47
|
Constructs a chart object which is a child of a\a parent. Parameter \a wFlags is passed to the QGraphicsWidget constructor.
|
|
|
52
|
*/
|
|
48
|
*/
|
|
|
53
|
QChart::QChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) : QGraphicsWidget(parent,wFlags),
|
|
49
|
QChart::QChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) : QGraphicsWidget(parent,wFlags),
|
|
|
54
|
m_backgroundItem(0),
|
|
50
|
d_ptr(new QChartPrivate(this))
|
|
|
55
|
m_titleItem(0),
|
|
|
|
|
|
56
|
m_legend(new QLegend(this)),
|
|
|
|
|
|
57
|
m_dataset(new ChartDataSet(this)),
|
|
|
|
|
|
58
|
m_presenter(new ChartPresenter(this,m_dataset)),
|
|
|
|
|
|
59
|
m_padding(50),
|
|
|
|
|
|
60
|
m_backgroundPadding(10)
|
|
|
|
|
|
61
|
{
|
|
51
|
{
|
|
|
62
|
connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),m_legend,SLOT(handleSeriesAdded(QSeries*,Domain*)));
|
|
52
|
|
|
|
63
|
connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),m_legend,SLOT(handleSeriesRemoved(QSeries*)));
|
|
53
|
d_ptr->m_legend = new QLegend(this);
|
|
|
|
|
|
54
|
d_ptr->m_dataset = new ChartDataSet(this);
|
|
|
|
|
|
55
|
d_ptr->m_presenter = new ChartPresenter(this,d_ptr->m_dataset);
|
|
|
|
|
|
56
|
|
|
|
|
|
|
57
|
connect(d_ptr->m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),d_ptr->m_legend,SLOT(handleSeriesAdded(QSeries*,Domain*)));
|
|
|
|
|
|
58
|
connect(d_ptr->m_dataset,SIGNAL(seriesRemoved(QSeries*)),d_ptr->m_legend,SLOT(handleSeriesRemoved(QSeries*)));
|
|
|
64
|
}
|
|
59
|
}
|
|
|
65
|
|
|
60
|
|
|
|
66
|
/*!
|
|
61
|
/*!
|
|
|
67
|
Destroys the object and it's children, like QChartSeries and QChartAxis object added to it.
|
|
62
|
Destroys the object and it's children, like QChartSeries and QChartAxis object added to it.
|
|
|
68
|
*/
|
|
63
|
*/
|
|
|
69
|
QChart::~QChart()
|
|
64
|
QChart::~QChart()
|
|
|
70
|
{
|
|
65
|
{
|
|
|
71
|
//delete first presenter , since this is a root of all the graphical items
|
|
66
|
//delete first presenter , since this is a root of all the graphical items
|
|
|
72
|
delete m_presenter;
|
|
67
|
delete d_ptr->m_presenter;
|
|
|
73
|
m_presenter=0;
|
|
68
|
d_ptr->m_presenter=0;
|
|
|
74
|
}
|
|
69
|
}
|
|
|
75
|
|
|
70
|
|
|
|
76
|
/*!
|
|
71
|
/*!
|
|
|
77
|
Adds the \a series and optional \a axisY onto the chart and takes the ownership of the objects.
|
|
72
|
Adds the \a series and optional \a axisY onto the chart and takes the ownership of the objects.
|
|
|
78
|
If auto scaling is enabled, re-scales the axes the series is bound to (both the x axis and
|
|
73
|
If auto scaling is enabled, re-scales the axes the series is bound to (both the x axis and
|
|
|
79
|
the y axis).
|
|
74
|
the y axis).
|
|
|
80
|
*/
|
|
75
|
*/
|
|
|
81
|
void QChart::addSeries(QSeries* series, QChartAxis* axisY)
|
|
76
|
void QChart::addSeries(QSeries* series, QChartAxis* axisY)
|
|
|
82
|
{
|
|
77
|
{
|
|
|
83
|
m_dataset->addSeries(series, axisY);
|
|
78
|
d_ptr->m_dataset->addSeries(series, axisY);
|
|
|
84
|
}
|
|
79
|
}
|
|
|
85
|
|
|
80
|
|
|
|
86
|
/*!
|
|
81
|
/*!
|
|
|
87
|
Removes the \a series specified in a perameter from the QChartView.
|
|
82
|
Removes the \a series specified in a perameter from the QChartView.
|
|
|
88
|
It releses its ownership of the specified QChartSeries object.
|
|
83
|
It releses its ownership of the specified QChartSeries object.
|
|
|
89
|
It does not delete the pointed QChartSeries data object
|
|
84
|
It does not delete the pointed QChartSeries data object
|
|
|
90
|
\sa addSeries(), removeAllSeries()
|
|
85
|
\sa addSeries(), removeAllSeries()
|
|
|
91
|
*/
|
|
86
|
*/
|
|
|
92
|
void QChart::removeSeries(QSeries* series)
|
|
87
|
void QChart::removeSeries(QSeries* series)
|
|
|
93
|
{
|
|
88
|
{
|
|
|
94
|
m_dataset->removeSeries(series);
|
|
89
|
d_ptr->m_dataset->removeSeries(series);
|
|
|
95
|
}
|
|
90
|
}
|
|
|
96
|
|
|
91
|
|
|
|
97
|
/*!
|
|
92
|
/*!
|
|
|
98
|
Removes all the QChartSeries that have been added to the QChartView
|
|
93
|
Removes all the QChartSeries that have been added to the QChartView
|
|
|
99
|
It also deletes the pointed QChartSeries data objects
|
|
94
|
It also deletes the pointed QChartSeries data objects
|
|
|
100
|
\sa addSeries(), removeSeries()
|
|
95
|
\sa addSeries(), removeSeries()
|
|
|
101
|
*/
|
|
96
|
*/
|
|
|
102
|
void QChart::removeAllSeries()
|
|
97
|
void QChart::removeAllSeries()
|
|
|
103
|
{
|
|
98
|
{
|
|
|
104
|
m_dataset->removeAllSeries();
|
|
99
|
d_ptr->m_dataset->removeAllSeries();
|
|
|
105
|
}
|
|
100
|
}
|
|
|
106
|
|
|
101
|
|
|
|
107
|
/*!
|
|
102
|
/*!
|
|
|
108
|
Sets the \a brush that is used for painting the background of the chart area.
|
|
103
|
Sets the \a brush that is used for painting the background of the chart area.
|
|
|
109
|
*/
|
|
104
|
*/
|
|
|
110
|
void QChart::setBackgroundBrush(const QBrush& brush)
|
|
105
|
void QChart::setBackgroundBrush(const QBrush& brush)
|
|
|
111
|
{
|
|
106
|
{
|
|
|
112
|
createChartBackgroundItem();
|
|
107
|
d_ptr->createChartBackgroundItem();
|
|
|
113
|
m_backgroundItem->setBrush(brush);
|
|
108
|
d_ptr->m_backgroundItem->setBrush(brush);
|
|
|
114
|
m_backgroundItem->update();
|
|
109
|
d_ptr->m_backgroundItem->update();
|
|
|
115
|
}
|
|
110
|
}
|
|
|
116
|
|
|
111
|
|
|
|
117
|
QBrush QChart::backgroundBrush() const
|
|
112
|
QBrush QChart::backgroundBrush() const
|
|
|
118
|
{
|
|
113
|
{
|
|
|
119
|
if(!m_backgroundItem) return QBrush();
|
|
114
|
if(!d_ptr->m_backgroundItem) return QBrush();
|
|
|
120
|
return m_backgroundItem->brush();
|
|
115
|
return (d_ptr->m_backgroundItem)->brush();
|
|
|
121
|
}
|
|
116
|
}
|
|
|
122
|
|
|
117
|
|
|
|
123
|
/*!
|
|
118
|
/*!
|
|
|
124
|
Sets the \a pen that is used for painting the background of the chart area.
|
|
119
|
Sets the \a pen that is used for painting the background of the chart area.
|
|
|
125
|
*/
|
|
120
|
*/
|
|
|
126
|
void QChart::setBackgroundPen(const QPen& pen)
|
|
121
|
void QChart::setBackgroundPen(const QPen& pen)
|
|
|
127
|
{
|
|
122
|
{
|
|
|
128
|
createChartBackgroundItem();
|
|
123
|
d_ptr->createChartBackgroundItem();
|
|
|
129
|
m_backgroundItem->setPen(pen);
|
|
124
|
d_ptr->m_backgroundItem->setPen(pen);
|
|
|
130
|
m_backgroundItem->update();
|
|
125
|
d_ptr->m_backgroundItem->update();
|
|
|
131
|
}
|
|
126
|
}
|
|
|
132
|
|
|
127
|
|
|
|
133
|
QPen QChart::backgroundPen() const
|
|
128
|
QPen QChart::backgroundPen() const
|
|
|
134
|
{
|
|
129
|
{
|
|
|
135
|
if(!m_backgroundItem) return QPen();
|
|
130
|
if(!d_ptr->m_backgroundItem) return QPen();
|
|
|
136
|
return m_backgroundItem->pen();
|
|
131
|
return d_ptr->m_backgroundItem->pen();
|
|
|
137
|
}
|
|
132
|
}
|
|
|
138
|
|
|
133
|
|
|
|
139
|
/*!
|
|
134
|
/*!
|
|
|
140
|
Sets the chart \a title. The description text that is drawn above the chart.
|
|
135
|
Sets the chart \a title. The description text that is drawn above the chart.
|
|
|
141
|
*/
|
|
136
|
*/
|
|
|
142
|
void QChart::setTitle(const QString& title)
|
|
137
|
void QChart::setTitle(const QString& title)
|
|
|
143
|
{
|
|
138
|
{
|
|
|
144
|
createChartTitleItem();
|
|
139
|
d_ptr->createChartTitleItem();
|
|
|
145
|
m_titleItem->setText(title);
|
|
140
|
d_ptr->m_titleItem->setText(title);
|
|
|
146
|
updateLayout();
|
|
141
|
d_ptr->updateLayout();
|
|
|
147
|
}
|
|
142
|
}
|
|
|
148
|
|
|
143
|
|
|
|
149
|
/*!
|
|
144
|
/*!
|
|
|
150
|
Returns the chart title. The description text that is drawn above the chart.
|
|
145
|
Returns the chart title. The description text that is drawn above the chart.
|
|
|
151
|
*/
|
|
146
|
*/
|
|
|
152
|
QString QChart::title() const
|
|
147
|
QString QChart::title() const
|
|
|
153
|
{
|
|
148
|
{
|
|
|
154
|
if(m_titleItem)
|
|
149
|
if(d_ptr->m_titleItem)
|
|
|
155
|
return m_titleItem->text();
|
|
150
|
return d_ptr->m_titleItem->text();
|
|
|
156
|
else
|
|
151
|
else
|
|
|
157
|
return QString();
|
|
152
|
return QString();
|
|
|
158
|
}
|
|
153
|
}
|
|
|
159
|
|
|
154
|
|
|
|
160
|
/*!
|
|
155
|
/*!
|
|
|
161
|
Sets the \a font that is used for rendering the description text that is rendered above the chart.
|
|
156
|
Sets the \a font that is used for rendering the description text that is rendered above the chart.
|
|
|
162
|
*/
|
|
157
|
*/
|
|
|
163
|
void QChart::setTitleFont(const QFont& font)
|
|
158
|
void QChart::setTitleFont(const QFont& font)
|
|
|
164
|
{
|
|
159
|
{
|
|
|
165
|
createChartTitleItem();
|
|
160
|
d_ptr->createChartTitleItem();
|
|
|
166
|
m_titleItem->setFont(font);
|
|
161
|
d_ptr->m_titleItem->setFont(font);
|
|
|
167
|
updateLayout();
|
|
162
|
d_ptr->updateLayout();
|
|
|
168
|
}
|
|
163
|
}
|
|
|
169
|
|
|
164
|
|
|
|
170
|
/*!
|
|
165
|
/*!
|
|
|
171
|
Sets the \a brush used for rendering the title text.
|
|
166
|
Sets the \a brush used for rendering the title text.
|
|
|
172
|
*/
|
|
167
|
*/
|
|
|
173
|
void QChart::setTitleBrush(const QBrush &brush)
|
|
168
|
void QChart::setTitleBrush(const QBrush &brush)
|
|
|
174
|
{
|
|
169
|
{
|
|
|
175
|
createChartTitleItem();
|
|
170
|
d_ptr->createChartTitleItem();
|
|
|
176
|
m_titleItem->setBrush(brush);
|
|
171
|
d_ptr->m_titleItem->setBrush(brush);
|
|
|
177
|
updateLayout();
|
|
172
|
d_ptr->updateLayout();
|
|
|
178
|
}
|
|
173
|
}
|
|
|
179
|
|
|
174
|
|
|
|
180
|
/*!
|
|
175
|
/*!
|
|
|
181
|
Returns the brush used for rendering the title text.
|
|
176
|
Returns the brush used for rendering the title text.
|
|
|
182
|
*/
|
|
177
|
*/
|
|
|
183
|
QBrush QChart::titleBrush() const
|
|
178
|
QBrush QChart::titleBrush() const
|
|
|
184
|
{
|
|
179
|
{
|
|
|
185
|
if(!m_titleItem) return QBrush();
|
|
180
|
if(!d_ptr->m_titleItem) return QBrush();
|
|
|
186
|
return m_titleItem->brush();
|
|
181
|
return d_ptr->m_titleItem->brush();
|
|
|
187
|
}
|
|
|
|
|
|
188
|
|
|
|
|
|
|
189
|
void QChart::createChartBackgroundItem()
|
|
|
|
|
|
190
|
{
|
|
|
|
|
|
191
|
if(!m_backgroundItem) {
|
|
|
|
|
|
192
|
m_backgroundItem = new ChartBackground(this);
|
|
|
|
|
|
193
|
m_backgroundItem->setPen(Qt::NoPen);
|
|
|
|
|
|
194
|
m_backgroundItem->setZValue(ChartPresenter::BackgroundZValue);
|
|
|
|
|
|
195
|
}
|
|
|
|
|
|
196
|
}
|
|
|
|
|
|
197
|
|
|
|
|
|
|
198
|
void QChart::createChartTitleItem()
|
|
|
|
|
|
199
|
{
|
|
|
|
|
|
200
|
if(!m_titleItem) {
|
|
|
|
|
|
201
|
m_titleItem = new QGraphicsSimpleTextItem(this);
|
|
|
|
|
|
202
|
m_titleItem->setZValue(ChartPresenter::BackgroundZValue);
|
|
|
|
|
|
203
|
}
|
|
|
|
|
|
204
|
}
|
|
182
|
}
|
|
|
205
|
|
|
183
|
|
|
|
206
|
/*!
|
|
184
|
/*!
|
|
|
207
|
Sets the \a theme used by the chart for rendering the graphical representation of the data
|
|
185
|
Sets the \a theme used by the chart for rendering the graphical representation of the data
|
|
|
208
|
\sa ChartTheme, chartTheme()
|
|
186
|
\sa ChartTheme, chartTheme()
|
|
|
209
|
*/
|
|
187
|
*/
|
|
|
210
|
void QChart::setChartTheme(QChart::ChartTheme theme)
|
|
188
|
void QChart::setTheme(QChart::ChartTheme theme)
|
|
|
211
|
{
|
|
189
|
{
|
|
|
212
|
m_presenter->setChartTheme(theme);
|
|
190
|
d_ptr->m_presenter->setTheme(theme);
|
|
|
213
|
}
|
|
191
|
}
|
|
|
214
|
|
|
192
|
|
|
|
215
|
/*!
|
|
193
|
/*!
|
|
|
216
|
Returns the theme enum used by the chart.
|
|
194
|
Returns the theme enum used by the chart.
|
|
|
217
|
\sa ChartTheme, setChartTheme()
|
|
195
|
\sa ChartTheme, setChartTheme()
|
|
|
218
|
*/
|
|
196
|
*/
|
|
|
219
|
QChart::ChartTheme QChart::chartTheme() const
|
|
197
|
QChart::ChartTheme QChart::theme() const
|
|
|
220
|
{
|
|
198
|
{
|
|
|
221
|
return m_presenter->chartTheme();
|
|
199
|
return d_ptr->m_presenter->theme();
|
|
|
222
|
}
|
|
200
|
}
|
|
|
223
|
|
|
201
|
|
|
|
224
|
/*!
|
|
202
|
/*!
|
|
|
225
|
Zooms in the view by a factor of 2
|
|
203
|
Zooms in the view by a factor of 2
|
|
|
226
|
*/
|
|
204
|
*/
|
|
|
227
|
void QChart::zoomIn()
|
|
205
|
void QChart::zoomIn()
|
|
|
228
|
{
|
|
206
|
{
|
|
|
229
|
m_presenter->zoomIn();
|
|
207
|
d_ptr->m_presenter->zoomIn();
|
|
|
230
|
}
|
|
208
|
}
|
|
|
231
|
|
|
209
|
|
|
|
232
|
/*!
|
|
210
|
/*!
|
|
|
233
|
Zooms in the view to a maximum level at which \a rect is still fully visible.
|
|
211
|
Zooms in the view to a maximum level at which \a rect is still fully visible.
|
|
|
234
|
*/
|
|
212
|
*/
|
|
|
235
|
void QChart::zoomIn(const QRectF& rect)
|
|
213
|
void QChart::zoomIn(const QRectF& rect)
|
|
|
236
|
{
|
|
214
|
{
|
|
|
237
|
|
|
|
|
|
|
238
|
if(!rect.isValid()) return;
|
|
215
|
if(!rect.isValid()) return;
|
|
|
239
|
m_presenter->zoomIn(rect);
|
|
216
|
d_ptr->m_presenter->zoomIn(rect);
|
|
|
240
|
}
|
|
217
|
}
|
|
|
241
|
|
|
218
|
|
|
|
242
|
/*!
|
|
219
|
/*!
|
|
|
243
|
Restores the view zoom level to the previous one.
|
|
220
|
Restores the view zoom level to the previous one.
|
|
|
244
|
*/
|
|
221
|
*/
|
|
|
245
|
void QChart::zoomOut()
|
|
222
|
void QChart::zoomOut()
|
|
|
246
|
{
|
|
223
|
{
|
|
|
247
|
m_presenter->zoomOut();
|
|
224
|
d_ptr->m_presenter->zoomOut();
|
|
|
248
|
}
|
|
225
|
}
|
|
|
249
|
|
|
226
|
|
|
|
250
|
/*!
|
|
227
|
/*!
|
|
|
251
|
Returns the pointer to the x axis object of the chart
|
|
228
|
Returns the pointer to the x axis object of the chart
|
|
|
252
|
*/
|
|
229
|
*/
|
|
|
253
|
QChartAxis* QChart::axisX() const
|
|
230
|
QChartAxis* QChart::axisX() const
|
|
|
254
|
{
|
|
231
|
{
|
|
|
255
|
return m_dataset->axisX();
|
|
232
|
return d_ptr->m_dataset->axisX();
|
|
|
256
|
}
|
|
233
|
}
|
|
|
257
|
|
|
234
|
|
|
|
258
|
/*!
|
|
235
|
/*!
|
|
|
259
|
Returns the pointer to the y axis object of the chart
|
|
236
|
Returns the pointer to the y axis object of the chart
|
|
|
260
|
*/
|
|
237
|
*/
|
|
|
261
|
QChartAxis* QChart::axisY() const
|
|
238
|
QChartAxis* QChart::axisY() const
|
|
|
262
|
{
|
|
239
|
{
|
|
|
263
|
return m_dataset->axisY();
|
|
240
|
return d_ptr->m_dataset->axisY();
|
|
|
264
|
}
|
|
241
|
}
|
|
|
265
|
|
|
242
|
|
|
|
266
|
/*!
|
|
243
|
/*!
|
|
|
267
|
Returns the legend object of the chart. Ownership stays in chart.
|
|
244
|
Returns the legend object of the chart. Ownership stays in chart.
|
|
|
268
|
*/
|
|
245
|
*/
|
|
|
269
|
QLegend& QChart::legend() const
|
|
246
|
QLegend& QChart::legend() const
|
|
|
270
|
{
|
|
247
|
{
|
|
|
271
|
return *m_legend;
|
|
248
|
return *d_ptr->m_legend;
|
|
|
272
|
}
|
|
249
|
}
|
|
|
273
|
|
|
250
|
|
|
|
274
|
/*!
|
|
251
|
/*!
|
|
|
275
|
Gives ownership of legend to user.
|
|
252
|
Gives ownership of legend to user.
|
|
|
276
|
*/
|
|
253
|
*/
|
|
|
277
|
QLegend* QChart::takeLegend()
|
|
254
|
QLegend* QChart::takeLegend()
|
|
|
278
|
{
|
|
255
|
{
|
|
|
279
|
QLegend* l = m_legend;
|
|
256
|
QLegend* l = d_ptr->m_legend;
|
|
|
280
|
m_legend = 0;
|
|
257
|
d_ptr->m_legend = 0;
|
|
|
281
|
return l;
|
|
258
|
return l;
|
|
|
282
|
}
|
|
259
|
}
|
|
|
283
|
|
|
260
|
|
|
|
284
|
/*!
|
|
261
|
/*!
|
|
|
285
|
Gives ownership of legend back to chart. QChart takes ownership of \a legend and deletes existing one
|
|
262
|
Gives ownership of legend back to chart. QChart takes ownership of \a legend and deletes existing one
|
|
|
286
|
*/
|
|
263
|
*/
|
|
|
287
|
void QChart::giveLegend(QLegend* legend)
|
|
264
|
void QChart::giveLegend(QLegend *legend)
|
|
|
288
|
{
|
|
265
|
{
|
|
|
289
|
if (m_legend) {
|
|
266
|
if (d_ptr->m_legend) {
|
|
|
290
|
// Should not happen.
|
|
267
|
// Should not happen.
|
|
|
291
|
qDebug() << "Warning! Giving more than one legend to chart.";
|
|
268
|
qDebug() << "Warning! Giving more than one legend to chart.";
|
|
|
292
|
delete m_legend;
|
|
269
|
delete d_ptr->m_legend;
|
|
|
293
|
}
|
|
270
|
}
|
|
|
294
|
|
|
271
|
|
|
|
295
|
m_legend = legend;
|
|
272
|
d_ptr->m_legend = legend;
|
|
|
296
|
|
|
273
|
|
|
|
297
|
// Reconnect legend, in case not already connected.
|
|
274
|
// Reconnect legend, in case not already connected.
|
|
|
298
|
disconnect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),m_legend,SLOT(handleSeriesAdded(QSeries*,Domain*)));
|
|
275
|
disconnect(d_ptr->m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),d_ptr->m_legend,SLOT(handleSeriesAdded(QSeries*,Domain*)));
|
|
|
299
|
disconnect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),m_legend,SLOT(handleSeriesRemoved(QSeries*)));
|
|
276
|
disconnect(d_ptr->m_dataset,SIGNAL(seriesRemoved(QSeries*)),d_ptr->m_legend,SLOT(handleSeriesRemoved(QSeries*)));
|
|
|
300
|
connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),m_legend,SLOT(handleSeriesAdded(QSeries*,Domain*)));
|
|
277
|
connect(d_ptr->m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),d_ptr->m_legend,SLOT(handleSeriesAdded(QSeries*,Domain*)));
|
|
|
301
|
connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),m_legend,SLOT(handleSeriesRemoved(QSeries*)));
|
|
278
|
connect(d_ptr->m_dataset,SIGNAL(seriesRemoved(QSeries*)),d_ptr->m_legend,SLOT(handleSeriesRemoved(QSeries*)));
|
|
|
302
|
}
|
|
279
|
}
|
|
|
303
|
|
|
280
|
|
|
|
304
|
/*!
|
|
281
|
/*!
|
|
|
305
|
Resizes and updates the chart area using the \a event data
|
|
282
|
Resizes and updates the chart area using the \a event data
|
|
|
306
|
*/
|
|
283
|
*/
|
|
|
307
|
void QChart::resizeEvent(QGraphicsSceneResizeEvent *event)
|
|
284
|
void QChart::resizeEvent(QGraphicsSceneResizeEvent *event)
|
|
|
308
|
{
|
|
285
|
{
|
|
|
309
|
|
|
286
|
d_ptr->m_rect = QRectF(QPoint(0,0),event->newSize());
|
|
|
310
|
m_rect = QRectF(QPoint(0,0),event->newSize());
|
|
287
|
d_ptr->updateLayout();
|
|
|
311
|
updateLayout();
|
|
|
|
|
|
312
|
QGraphicsWidget::resizeEvent(event);
|
|
288
|
QGraphicsWidget::resizeEvent(event);
|
|
|
313
|
update();
|
|
289
|
update();
|
|
|
314
|
}
|
|
290
|
}
|
|
|
315
|
|
|
291
|
|
|
|
316
|
/*!
|
|
292
|
/*!
|
|
|
317
|
Sets animation \a options for the chart
|
|
293
|
Sets animation \a options for the chart
|
|
|
318
|
*/
|
|
294
|
*/
|
|
|
319
|
void QChart::setAnimationOptions(AnimationOptions options)
|
|
295
|
void QChart::setAnimationOptions(AnimationOptions options)
|
|
|
320
|
{
|
|
296
|
{
|
|
|
321
|
m_presenter->setAnimationOptions(options);
|
|
297
|
d_ptr->m_presenter->setAnimationOptions(options);
|
|
|
322
|
}
|
|
298
|
}
|
|
|
323
|
|
|
299
|
|
|
|
324
|
/*!
|
|
300
|
/*!
|
|
|
325
|
Returns animation options for the chart
|
|
301
|
Returns animation options for the chart
|
|
|
326
|
*/
|
|
302
|
*/
|
|
|
327
|
QChart::AnimationOptions QChart::animationOptions() const
|
|
303
|
QChart::AnimationOptions QChart::animationOptions() const
|
|
|
328
|
{
|
|
304
|
{
|
|
|
329
|
return m_presenter->animationOptions();
|
|
305
|
return d_ptr->m_presenter->animationOptions();
|
|
|
330
|
}
|
|
306
|
}
|
|
|
331
|
|
|
307
|
|
|
|
332
|
void QChart::scrollLeft()
|
|
308
|
void QChart::scrollLeft()
|
|
|
333
|
{
|
|
309
|
{
|
|
|
334
|
m_presenter->scroll(-m_presenter->geometry().width()/(axisX()->ticksCount()-1),0);
|
|
310
|
d_ptr->m_presenter->scroll(-d_ptr->m_presenter->geometry().width()/(axisX()->ticksCount()-1),0);
|
|
|
335
|
}
|
|
311
|
}
|
|
|
336
|
|
|
312
|
|
|
|
337
|
void QChart::scrollRight()
|
|
313
|
void QChart::scrollRight()
|
|
|
338
|
{
|
|
314
|
{
|
|
|
339
|
m_presenter->scroll(m_presenter->geometry().width()/(axisX()->ticksCount()-1),0);
|
|
315
|
d_ptr->m_presenter->scroll(d_ptr->m_presenter->geometry().width()/(axisX()->ticksCount()-1),0);
|
|
|
340
|
}
|
|
316
|
}
|
|
|
|
|
|
317
|
|
|
|
341
|
void QChart::scrollUp()
|
|
318
|
void QChart::scrollUp()
|
|
|
342
|
{
|
|
319
|
{
|
|
|
343
|
m_presenter->scroll(0,m_presenter->geometry().width()/(axisY()->ticksCount()-1));
|
|
320
|
d_ptr->m_presenter->scroll(0,d_ptr->m_presenter->geometry().width()/(axisY()->ticksCount()-1));
|
|
|
344
|
}
|
|
321
|
}
|
|
|
|
|
|
322
|
|
|
|
345
|
void QChart::scrollDown()
|
|
323
|
void QChart::scrollDown()
|
|
|
346
|
{
|
|
324
|
{
|
|
|
347
|
m_presenter->scroll(0,-m_presenter->geometry().width()/(axisY()->ticksCount()-1));
|
|
325
|
d_ptr->m_presenter->scroll(0,-d_ptr->m_presenter->geometry().width()/(axisY()->ticksCount()-1));
|
|
|
348
|
}
|
|
326
|
}
|
|
|
349
|
|
|
327
|
|
|
|
350
|
void QChart::updateLayout()
|
|
328
|
void QChart::setPadding(int padding)
|
|
|
351
|
{
|
|
329
|
{
|
|
|
352
|
if(!m_rect.isValid()) return;
|
|
330
|
if(d_ptr->m_padding==padding) {
|
|
|
353
|
|
|
331
|
d_ptr->m_padding = padding;
|
|
|
354
|
QRectF rect = m_rect.adjusted(m_padding,m_padding, -m_padding, -m_padding);
|
|
332
|
d_ptr->m_presenter->handleGeometryChanged();
|
|
|
355
|
|
|
333
|
d_ptr->updateLayout();
|
|
|
356
|
// recalculate title position
|
|
|
|
|
|
357
|
if (m_titleItem) {
|
|
|
|
|
|
358
|
QPointF center = m_rect.center() -m_titleItem->boundingRect().center();
|
|
|
|
|
|
359
|
m_titleItem->setPos(center.x(),m_rect.top()/2 + m_padding/2);
|
|
|
|
|
|
360
|
}
|
|
334
|
}
|
|
|
|
|
|
335
|
}
|
|
|
361
|
|
|
336
|
|
|
|
362
|
//recalculate background gradient
|
|
337
|
int QChart::padding() const
|
|
|
363
|
if (m_backgroundItem) {
|
|
338
|
{
|
|
|
364
|
m_backgroundItem->setRect(m_rect.adjusted(m_backgroundPadding,m_backgroundPadding, -m_backgroundPadding, -m_backgroundPadding));
|
|
339
|
return d_ptr->m_padding;
|
|
|
365
|
}
|
|
340
|
}
|
|
|
366
|
|
|
341
|
|
|
|
367
|
// recalculate legend position
|
|
342
|
void QChart::setBackgroundPadding(int padding)
|
|
|
368
|
if (m_legend) {
|
|
343
|
{
|
|
|
369
|
if (m_legend->parentObject() == this) {
|
|
344
|
if(d_ptr->m_backgroundPadding!=padding) {
|
|
|
370
|
updateLegendLayout();
|
|
345
|
d_ptr->m_backgroundPadding = padding;
|
|
|
371
|
}
|
|
346
|
d_ptr->updateLayout();
|
|
|
372
|
}
|
|
347
|
}
|
|
|
373
|
}
|
|
348
|
}
|
|
|
374
|
|
|
349
|
|
|
|
375
|
void QChart::updateLegendLayout()
|
|
350
|
void QChart::setBackgroundDiameter(int diameter)
|
|
|
376
|
{
|
|
351
|
{
|
|
|
377
|
QRectF plotRect = m_rect.adjusted(m_padding,m_padding, -m_padding, -m_padding);
|
|
352
|
d_ptr->createChartBackgroundItem();
|
|
|
378
|
QRectF legendRect;
|
|
353
|
d_ptr->m_backgroundItem->setDimeter(diameter);
|
|
|
|
|
|
354
|
d_ptr->m_backgroundItem->update();
|
|
|
|
|
|
355
|
}
|
|
|
379
|
|
|
356
|
|
|
|
380
|
switch (m_legend->preferredLayout())
|
|
357
|
void QChart::setBackgroundVisible(bool visible)
|
|
|
381
|
{
|
|
358
|
{
|
|
|
382
|
case QLegend::PreferredLayoutTop:{
|
|
359
|
d_ptr->createChartBackgroundItem();
|
|
|
383
|
// legendRect = plotRect.adjusted(m_padding,0,-m_padding,-m_padding - plotRect.height());
|
|
360
|
d_ptr->m_backgroundItem->setVisible(visible);
|
|
|
384
|
legendRect = plotRect.adjusted(0,0,0,-m_padding - plotRect.height());
|
|
361
|
}
|
|
|
385
|
break;
|
|
|
|
|
|
386
|
}
|
|
|
|
|
|
387
|
case QLegend::PreferredLayoutBottom: {
|
|
|
|
|
|
388
|
legendRect = plotRect.adjusted(m_padding,m_padding + plotRect.height(),-m_padding,0);
|
|
|
|
|
|
389
|
break;
|
|
|
|
|
|
390
|
}
|
|
|
|
|
|
391
|
case QLegend::PreferredLayoutLeft: {
|
|
|
|
|
|
392
|
legendRect = plotRect.adjusted(0,m_padding,-m_padding - plotRect.width(),-m_padding);
|
|
|
|
|
|
393
|
break;
|
|
|
|
|
|
394
|
}
|
|
|
|
|
|
395
|
case QLegend::PreferredLayoutRight: {
|
|
|
|
|
|
396
|
legendRect = plotRect.adjusted(m_padding + plotRect.width(),m_padding,0,-m_padding);
|
|
|
|
|
|
397
|
break;
|
|
|
|
|
|
398
|
}
|
|
|
|
|
|
399
|
default: {
|
|
|
|
|
|
400
|
legendRect = plotRect;
|
|
|
|
|
|
401
|
break;
|
|
|
|
|
|
402
|
}
|
|
|
|
|
|
403
|
}
|
|
|
|
|
|
404
|
|
|
362
|
|
|
|
405
|
m_legend->setMaximumSize(legendRect.size());
|
|
363
|
bool QChart::isBackgroundVisible() const
|
|
|
406
|
m_legend->setPos(legendRect.topLeft());
|
|
364
|
{
|
|
|
|
|
|
365
|
if(!d_ptr->m_backgroundItem) return false;
|
|
|
|
|
|
366
|
return d_ptr->m_backgroundItem->isVisible();
|
|
|
407
|
}
|
|
367
|
}
|
|
|
408
|
|
|
368
|
|
|
|
|
|
|
369
|
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
409
|
|
|
370
|
|
|
|
410
|
int QChart::padding() const
|
|
371
|
QChartPrivate::QChartPrivate(QChart *parent):
|
|
|
|
|
|
372
|
q_ptr(parent),
|
|
|
|
|
|
373
|
m_backgroundItem(0),
|
|
|
|
|
|
374
|
m_titleItem(0),
|
|
|
|
|
|
375
|
m_legend(0),
|
|
|
|
|
|
376
|
m_dataset(0),
|
|
|
|
|
|
377
|
m_presenter(0),
|
|
|
|
|
|
378
|
m_padding(50),
|
|
|
|
|
|
379
|
m_backgroundPadding(10)
|
|
|
411
|
{
|
|
380
|
{
|
|
|
412
|
return m_padding;
|
|
381
|
|
|
|
413
|
}
|
|
382
|
}
|
|
|
414
|
|
|
383
|
|
|
|
415
|
void QChart::setPadding(int padding)
|
|
384
|
QChartPrivate::~QChartPrivate()
|
|
|
416
|
{
|
|
385
|
{
|
|
|
417
|
if(m_padding==padding){
|
|
386
|
|
|
|
418
|
m_padding = padding;
|
|
|
|
|
|
419
|
m_presenter->handleGeometryChanged();
|
|
|
|
|
|
420
|
updateLayout();
|
|
|
|
|
|
421
|
}
|
|
|
|
|
|
422
|
}
|
|
387
|
}
|
|
|
423
|
|
|
388
|
|
|
|
424
|
void QChart::setBackgroundPadding(int padding)
|
|
389
|
void QChartPrivate::createChartBackgroundItem()
|
|
|
425
|
{
|
|
390
|
{
|
|
|
426
|
if(m_backgroundPadding!=padding){
|
|
391
|
if(!m_backgroundItem) {
|
|
|
427
|
m_backgroundPadding = padding;
|
|
392
|
m_backgroundItem = new ChartBackground(q_ptr);
|
|
|
428
|
updateLayout();
|
|
393
|
m_backgroundItem->setPen(Qt::NoPen);
|
|
|
|
|
|
394
|
m_backgroundItem->setZValue(ChartPresenter::BackgroundZValue);
|
|
|
429
|
}
|
|
395
|
}
|
|
|
430
|
}
|
|
396
|
}
|
|
|
431
|
|
|
397
|
|
|
|
432
|
void QChart::setBackgroundDiameter(int diameter)
|
|
398
|
void QChartPrivate::createChartTitleItem()
|
|
|
433
|
{
|
|
399
|
{
|
|
|
434
|
createChartBackgroundItem();
|
|
400
|
if(!m_titleItem) {
|
|
|
435
|
m_backgroundItem->setDimeter(diameter);
|
|
401
|
m_titleItem = new QGraphicsSimpleTextItem(q_ptr);
|
|
|
436
|
m_backgroundItem->update();
|
|
402
|
m_titleItem->setZValue(ChartPresenter::BackgroundZValue);
|
|
|
|
|
|
403
|
}
|
|
|
437
|
}
|
|
404
|
}
|
|
|
438
|
|
|
405
|
|
|
|
439
|
void QChart::setBackgroundVisible(bool visible)
|
|
406
|
void QChartPrivate::updateLegendLayout()
|
|
|
440
|
{
|
|
407
|
{
|
|
|
441
|
createChartBackgroundItem();
|
|
408
|
QRectF plotRect = m_rect.adjusted(m_padding,m_padding, -m_padding, -m_padding);
|
|
|
442
|
m_backgroundItem->setVisible(visible);
|
|
409
|
QRectF legendRect;
|
|
|
|
|
|
410
|
|
|
|
|
|
|
411
|
switch (m_legend->preferredLayout())
|
|
|
|
|
|
412
|
{
|
|
|
|
|
|
413
|
case QLegend::PreferredLayoutTop: {
|
|
|
|
|
|
414
|
// legendRect = plotRect.adjusted(m_padding,0,-m_padding,-m_padding - plotRect.height());
|
|
|
|
|
|
415
|
legendRect = plotRect.adjusted(0,0,0,-m_padding - plotRect.height());
|
|
|
|
|
|
416
|
break;
|
|
|
|
|
|
417
|
}
|
|
|
|
|
|
418
|
case QLegend::PreferredLayoutBottom: {
|
|
|
|
|
|
419
|
legendRect = plotRect.adjusted(m_padding,m_padding + plotRect.height(),-m_padding,0);
|
|
|
|
|
|
420
|
break;
|
|
|
|
|
|
421
|
}
|
|
|
|
|
|
422
|
case QLegend::PreferredLayoutLeft: {
|
|
|
|
|
|
423
|
legendRect = plotRect.adjusted(0,m_padding,-m_padding - plotRect.width(),-m_padding);
|
|
|
|
|
|
424
|
break;
|
|
|
|
|
|
425
|
}
|
|
|
|
|
|
426
|
case QLegend::PreferredLayoutRight: {
|
|
|
|
|
|
427
|
legendRect = plotRect.adjusted(m_padding + plotRect.width(),m_padding,0,-m_padding);
|
|
|
|
|
|
428
|
break;
|
|
|
|
|
|
429
|
}
|
|
|
|
|
|
430
|
default: {
|
|
|
|
|
|
431
|
legendRect = plotRect;
|
|
|
|
|
|
432
|
break;
|
|
|
|
|
|
433
|
}
|
|
|
|
|
|
434
|
}
|
|
|
|
|
|
435
|
|
|
|
|
|
|
436
|
m_legend->setMaximumSize(legendRect.size());
|
|
|
|
|
|
437
|
m_legend->setPos(legendRect.topLeft());
|
|
|
443
|
}
|
|
438
|
}
|
|
|
444
|
|
|
439
|
|
|
|
445
|
bool QChart::isBackgroundVisible() const
|
|
440
|
void QChartPrivate::updateLayout()
|
|
|
446
|
{
|
|
441
|
{
|
|
|
447
|
if(!m_backgroundItem) return false;
|
|
442
|
if(!m_rect.isValid()) return;
|
|
|
448
|
return m_backgroundItem->isVisible();
|
|
443
|
|
|
|
449
|
}
|
|
444
|
QRectF rect = m_rect.adjusted(m_padding,m_padding, -m_padding, -m_padding);
|
|
|
|
|
|
445
|
|
|
|
|
|
|
446
|
// recalculate title position
|
|
|
|
|
|
447
|
if (m_titleItem) {
|
|
|
|
|
|
448
|
QPointF center = m_rect.center() -m_titleItem->boundingRect().center();
|
|
|
|
|
|
449
|
m_titleItem->setPos(center.x(),m_rect.top()/2 + m_padding/2);
|
|
|
|
|
|
450
|
}
|
|
|
|
|
|
451
|
|
|
|
|
|
|
452
|
//recalculate background gradient
|
|
|
|
|
|
453
|
if (m_backgroundItem) {
|
|
|
|
|
|
454
|
m_backgroundItem->setRect(m_rect.adjusted(m_backgroundPadding,m_backgroundPadding, -m_backgroundPadding, -m_backgroundPadding));
|
|
|
|
|
|
455
|
}
|
|
|
450
|
|
|
456
|
|
|
|
|
|
|
457
|
// recalculate legend position
|
|
|
|
|
|
458
|
if (m_legend) {
|
|
|
|
|
|
459
|
if (m_legend->parentObject() == q_ptr) {
|
|
|
|
|
|
460
|
updateLegendLayout();
|
|
|
|
|
|
461
|
}
|
|
|
|
|
|
462
|
}
|
|
|
|
|
|
463
|
}
|
|
|
451
|
|
|
464
|
|
|
|
452
|
#include "moc_qchart.cpp"
|
|
465
|
#include "moc_qchart.cpp"
|
|
|
453
|
|
|
466
|
|
